Rocks and Minerals

Rock that have changed by heat and pressure

• igneous rock
• sedimentary rock
• metamorphic rock

Rock that was once melted and then cooled and hardened

• igneous rock
• sedimentary rock
• metamorphic rock

A rock is a naturally formed solid made of one or more ________.

• elements
• chemicals
• minerals

What type of rock is formed from volcanos?

• metamorphic

• igneous

• sedimentary

• sandstone

Emily was looking at a rock and saw tiny crystals.  Emily should know that all rocks are made up of _____.

• diamonds
• minerals
• fossils
• dirt

A solid material that is made up of one or more minerals.

• mineral
• rock
• fossil
• soil

What property of rock is being observed when looking for whether it is shiny?

• luster

• hardness

• streak

• color

What property of rock is being observed when looking for what color is left after scratching it on a ceramic plate?

• hardness
• color
• cleavage
• streak

What are 3 properties that are used to identify minerals?

• luster, color and sound
• smell, color and hardness
• luster, color and hardness
• luster, smell and hardness

A student found a rock in his backyard and wants to figure out whether it is a rock or a mineral. Which is NOT a question that we can ask to identify if the sample is a rock or mineral?

• Is it all one color?

• Could it have a fossil in it?

• Is it smooth or rough?

• How big is it?